Recent content by perseverance10

Hey, this question is from a practice exam... A triangular pile is a stack contructed from equal-sized balls. It has a triangular base (first layer) and a single ball in its top-most layer. The number of layers depends on the total number of balls used. For example, the triangular pile shown...

'a' is in the formula for differentiating inverse functions --> on the standard integral sheet =] and 1 as in question 1 could u pls show me your working? i don't understand =/

hey yeh they're correct except instead of pie it's just the letter 'p' but u got it right regardless :jump: what was your 'a' in 1?

just having a few problems with finding the derivative of the following: 1. f(x)=inverse tan px and 2. f(x)=inverse cos (1-x^2)/(1+x^2) any help would be greatly appreciated =] thanks in advance

hey... did u receive a pm from me?